Anixx

In the first post I said: Win11 23H2. Build number is 4890 (after update). When the topic was created, the build number was around 3500

To sum it up: 1. The first time it worked: * I did it before the update to the recent patches * I ran appx package, it installed * Then...

Ah. So, the problem is simple: blank screen unlike the first time when it worked.

So, I rolled the system back, now it seems, no Defender or Security Health Service are running. When I install the appx package, the...

No, my only desire was to import defender service key so it to run. If it is already running (restored by the Security service) there is...

Just rebooted in safe mode. There Windows Defender is still running and there is no way to stop it.

Yea, maybe installing of the unauthorized appx package is prevented by Windows Defender. First time I ran it when Windows Defender was...

What happened: Windows Defender worked well. Bot an update of the system failed. So, I rolled back. Installed update. But noticed that...

There is no such folder...

The dialog of the Windows Security app is blank. The Windows Defender and Windows security services are running. How to fix this?

Cannot find path C:\Windows\SystemApps\Microsoft.Windows.SecHealthUI_cw5n1h2txyewy\Ap pXManifest.xml because it does not exist.

Okay, defender is seemingly running, but the security control panel is again blank.

Why? I just cannot import a registry key. Because no utility to run a program as trusted installer works after update.

Even Advanced Run cannot run a regedi as Trusted Installer, only as System, which is not enough. Maybe, UAC is the culprit. But I cannot...

I again have a problem. I rolled back my system because it did not update. So now I have to repeat all this restoration process. But I...